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Slide 1

C2 REVISION ­ CHAPTER 1 ­ STRUCTURE & BONDINGFill in the gaps:When two elements react together they make a _________ substance called Use pictures and words to describe each type of bonding:a_________. It is _________ to separate the elements after the reaction.Some atoms react by sharing electrons. We call this _________ bonding. Otheratoms react by _________ or _________ electrons. We call this _________ Ionicbonding. When atoms react in this way they get the electronic structure of a_________ gas. Fill in this table: Covalent Ionic Compound Ratio of ions in compound Formula of compound Na+ : Cl- Sodium chloride 1:1 Magnesium oxide MgO Ca2+: Cl- Metallic CaCl2 1:2 Fill in this table of more complicated ions: Name of ion Formula of ion Example of compound Calcium hydroxide, Ca(OH) hydroxide 2 NO3- Mg(NO3)2 KEY WORDS: ASSESSMENT: Electronic structure Sodium carbonate CO32- Covalent bonding Ionic bonding Proton Suphate Electron CaSO4 Ion Giant structure (lattice) Metallic bonding…read more

Slide 2

C2 REVISION ­ CHAPTER 2 ­ STRUCTURE & PROPERTIESIONIC COMPOUNDS SIMPLE COVALENT MOLECULES GIANT METALLIC SUBSTANCESWhat type of force holds the ions How strong are the forces between Why can metals be bent and shaped?together? covalent molecules? [intermolecular forces] What are delocalised electrons?Draw a giant ionic lattice: How does this affect their melting and boiling point Why do metals conduct electricity? How strong are the forces between atoms in a covalent bond? [intramolecular bonds] How are polymers classified: What is nanoscience?Why do ionic compounds have high Thermosetting:melting and boiling points? Thermosoftening:Why can ionic compounds conductelectricity when molten ordissolved in water? GIANT COVALENT SUBSTANCES KEY WORDS: ASSESSMENT: Why is graphite slippery and conduct Giant ionic structures electricity? Intermolecular forces Macromolecules Fullerenes Shape memory alloys Polymers Thermosetting / Thermosoftening Nanoscience…read more

Slide 3

C2 REVISION ­ CHAPTER 3 ­ HOW MUCH?Complete the table Write how many there are What is Ar? Relative Relative Mass in: 23 Charge Na11 What is Mr?Proton Electrons: Protons:Neutron Neutrons: What is the Mr of C2H5OH? What is an isotope?Electron What is a mole? Balance the equation and say how many moles of each substance there are: H2 + O2 H2O What is percentage yield and what is the equation to calculate it? What is atom economy and what is the equation to calculate it? What is the symbol for a reversible reaction? Explain what happens after we add just reactants to a Calculate the percentage yield of calcium carbonate when 200tonnes of limestone reversible reaction? is used and 98tonnes of carbon dioxide is produced: ASSESSMENT:How do we identify What is gas What is massfood additives? chromatography? spectrometry?…read more

Slide 4

C2 REVISION ­ CHAPTER 4 ­ RATES & ENERGYWhat do we mean by `rate of reaction'? Explain the effect of temperature on the rate Explain the effect of concentration on the rate of reaction of reaction [think about: kinetic energy & number of collisions]What 4 factors affect the rate of areaction? Draw diagrams to represent it? Draw diagrams to represent it:What must happen for a reaction tooccur?What is the smallest amount of energythat must be overcome for a reaction to Low concn High concn Low temp High tempoccur? How does surface area affect the rate of reaction? What do catalysts do? What happens to them during a reaction?Explain exothermic reactions: KEY WORDS: ASSESSMENT: What energy changes are involved in a reversible Collision theoryExplain endothermic reactions: reaction? Activation energy Catalyst Exothermic Endothermic Thermal decomposition…read more

Slide 5

C2 REVISION ­ CHAPTER 5 ­ SALTS & ELECTROLYSISWhat is a base? What is produced when an acid and a metal react? What is electrolysis?What is an alkali Acid + Metal What do we call the substance that is broken down during electrolysis Give a specific example:What ions make something acidic? What is the positive electrode called?What is another name for an acid? What is the negative electrode called? What is produced when an acid and a P__________ D__________ base react? Label a diagram showing the electrolysis of copper bromideWhat ions make something alkali? Acid + BaseWhat is the pH scale? Give a specific example: What ions are formed?How is electrolysis Why to we electrolyse What isused to extract brine? electroplating?aluminium? ASSESSMENT: What are the half How is it work? equations?…read more